The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 07, 2026

Filed:

Jun. 30, 2025
Applicant:

Nanjing Chervon Industry Co., Ltd., Nanjing, CN;

Inventors:

Chengyu Zheng, Nanjing, CN;

Hengyong Hu, Nanjing, CN;

Li Xing, Nanjing, CN;

Shubin Tong, Nanjing, CN;

Lianghua Ni, Nanjing, CN;

Jian Yu, Nanjing, CN;

Xu Wang, Nanjing, CN;

Tao Zhang, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C 1/00 (2006.01);
U.S. Cl.
CPC ...
B25C 1/008 (2013.01); B25C 1/001 (2013.01);
Abstract

A fastener driver includes: a trigger assembly operated by a user to switch between a first state in which a striker is allowed to strike a fastener and a second state in which the striker is forbidden to strike the fastener; a lifting assembly, where at least part of the lifting assembly is movably disposed in a magazine to drive the fastener to move in the magazine; and a dry fire prevention assembly having a dry fire prevention state, where the dry fire prevention assembly includes a stopper, and in the dry fire prevention state, the trigger assembly is forbidden by the stopper to switch to the first state. When the trigger assembly obstructs the stopper from performing a first motion, the lifting assembly drives the stopper to perform a second motion.


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